Android open url ,and get page

最新推荐文章于 2024-06-05 16:13:43 发布

原创最新推荐文章于 2024-06-05 16:13:43 发布 · 732 阅读

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CC 4.0 BY-SA版权

本文介绍了一个基于HTTP协议的支付请求处理流程，包括参数构造、URL连接建立、设置超时及输入模式、读取响应数据等步骤，并展示了如何通过回调机制传递处理结果。

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String requestData = CreateRequestData(mParams); //建立参数 name=zzz&hashvalue=32e2adf3222& .....

URL url = null;
HttpURLConnection conn = null;

byte[] buff ;

try {

strUrl = g_PaymentHost_URL + "?" + requestData;

Log.i("paymenthost url",strUrl);

url = new URL(strUrl);

strUrl = url.toString();

conn = (HttpURLConnection)url.openConnection();

conn.setConnectTimeout(4000);
conn.setDoInput(true);
conn.setChunkedStreamingMode(2000);

InputStream inb = new BufferedInputStream(conn.getInputStream());

inb = new BufferedInputStream(conn.getInputStream());

buff = new byte[2000];

int nSize = 0;
int nSizeCount = 0;
while(( nSize = inb.read(buff) )> 0 )
{
final String strHtml = AsciiArrayToString(buff,0,nSize);
strPage += strHtml; // AsciiArrayToString(buff,0,nSize);
Log.i("payment page" ,strHtml);
}

inb.close();

conn.disconnect();

if(this.mCall != null)
mCall.onCallBack(2, this.strPage) ;
}catch(Exception e){

Log.i("Load page exception:" ,e.toString());

if(this.mCall != null)
mCall.onCallBack(-1, e.toString()) ;
return false;
}